Housing Inventory: Median Days on Market in Jefferson County, CO was 72.00000 Level in January of 2026, according to the United States Federal Reserve. Historically, Housing Inventory: Median Days on Market in Jefferson County, CO reached a record high of 76.00000 in December of 2025 and a record low of 3.00000 in March of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Median Days on Market in Jefferson County, CO - last updated from the United States Federal Reserve on March of 2026.